<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>rw5-2</title>
    <style type="text/css">
        #box1{height:200px;width:400px;border-style:solid;border-color:black;border-width:5px;
            background-color:pink;
        }
        #box2{
            height:200px;width:400px;border-style:solid;border-color:black;border-width:5px;background-color:pink;
            position: relative;
            top:-210px;
            left:410px;
        }
        #box3{
            height:200px;width:400px;border-style:solid;border-color:black;border-width:5px;background-color:pink;
            position: relative;
            top:-420px;
            left:820px;
        }
        #box4{
            height:200px;width:400px;border-style:solid;border-color:black;border-width:5px;background-color:pink;
            position: relative;
            top:-420px;
            left:410px;
        }

    </style>
</head>
<body>
<div id="box1"></div>
<div id="box2"></div>
<div id="box3"></div>
<div id="box4"></div>
</body>
</html>